CVE-2020-21783 Cross-site scripting in n/a

Medium 6.1 Published 24 Jun 2021 Updated 4 Aug 2024

Cross-site scripting vulnerability in IBOS email function allows attackers to inject malicious scripts via the email body content parameter.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-21783?

CVE-2020-21783 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.

Weakness: CWE-79

Which versions are affected by CVE-2020-21783?

It affects 1 product.

Products include Ibos Ibos.

How do I fix CVE-2020-21783?

No fix has been published for CVE-2020-21783 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-21783 being exploited?

There is no known exploitation of CVE-2020-21783 in the wild and no public exploit code.

Sources

Also known as GHSA-2h49-jxxh-7v6v.